A logician is a person who studies logic. Some famous logicians are listed below in English alphabetical transliteration order (by surname).

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A

  • Peter Abelard (France, 1079–1142)
  • Wilhelm Ackermann (Germany, 1896–1962)
  • Sergei Adian (Russia/Soviet Union/Armenia, 1931–2020)
  • Rodolphus Agricola (Germany, 1443/1444–1485)
  • Kazimierz Ajdukiewicz (Poland, 1890–1963)
  • Alcuin (England/France, c. 735–804)
  • Alan Ross Anderson (US, 1924–1972)
  • Peter B. Andrews (US, 1938–2025)
  • Thomas Aquinas (Italy/France, 1225–1274)
  • Lennart Åqvist (Sweden, 1932-2019)
  • Aristotle (Greece, 384–322 BC)
  • Heiric of Auxerre (France, 841–876)
  • A. J. Ayer (England, 1910 - 1989)

B

  • Bahmanyār (Iran, died 1067)
  • Jayanta Bhatta (India, 850–910)
  • Alexander Bain (UK, 1818–1903)
  • Yehoshua Bar-Hillel (Israel, 1915–1975)
  • Ruth Barcan Marcus (US, 1921–2012)
  • Henk Barendregt (Netherlands, born 1947)
  • Jon Barwise (US, 1942–2000)
  • James Earl Baumgartner (US, 1943–2011)
  • John Lane Bell (UK and Canada, born 1945)
  • Nuel Belnap (US, 1931–2024)
  • Paul Benacerraf (US, 1931-2025)
  • Jean Paul Van Bendegem (Belgium, born 1953)
  • Johan van Benthem (Netherlands, born 1949)
  • Paul Bernays (Switzerland, 1888–1977)
  • Evert Willem Beth (Netherlands, 1908–1964)
  • Jean-Yves Béziau (Switzerland, born 1965)
  • Józef Maria Bocheński (Poland, 1902–1995)
  • Boethius (Rome/Ostrogothic Kingdom, c. 480–524/525)
  • Bernard Bolzano (Austrian Empire, 1781–1848)
  • Andrea Bonomi (Italy, born 1940)
  • George Boole (England/Ireland, 1815–1864)
  • George Boolos (US, 1940–1996)
  • Nicolas Bourbaki (pseudonym used by a group of French mathematicians, 20th century)
  • Thomas Bradwardine (England, c. 1290–26 August 1349)
  • Richard Brinkley (England, died c. 1379)
  • Luitzen Egbertus Jan Brouwer (Netherlands, 1881–1966)
  • Alan Richard Bundy (UK, born 1947)
  • Franco Burgersdijk (Netherlands, 1590–1629)
  • Jean Buridan (France, c. 1300–post 1358)
  • Walter Burley (England, c. 1275–1344/5)

C

  • Chanakya (India, Mouryan Empire, 371–285 BC)
  • Georg Ferdinand Cantor (Germany, 1845–1918)
  • Rudolf Carnap (Germany, 1891–1970)
  • Lewis Carroll (UK, 1832–1898)
  • Categoriae decem (Latin, fifth century)
  • Gregory Chaitin (Argentina/US, born 1947)
  • Chrysippus (Greece, c. 280 BC – c. 207 BC)
  • Alonzo Church (US, 1903–1995)
  • Leon Chwistek (Poland, 1884–1944)
  • Gordon H. Clark (US, 1902–1985)
  • Paul Joseph Cohen (US, 1934–2007)
  • Conimbricenses, name by which Jesuits of the University of Coimbra (Portugal) were known (1591–1606)
  • S. Barry Cooper (UK, 1943–2015)
  • Jack Copeland (UK, born 1950)
  • Thierry Coquand (France, born 1961)
  • John Corcoran (US, 1937–2021)
  • Newton da Costa (Brazil, 1929–2024)
  • William Craig (US, 1918–2016)
  • Haskell Curry (US, 1900–1982)
  • Tadeusz Czeżowski (Poland, 1889–1981)

D

  • Dirk van Dalen (Netherlands, born 1932)
  • Martin Davis (US, 1928–2023)
  • Augustus De Morgan (UK, 1806–1871)
  • René Descartes (France, 1596–1650)
  • Dharmakirti (India, c. 7th century)
  • Dignāga (India, fl. 5th century)
  • Diodorus Cronus (Greece, 4th–3rd century BC)
  • Martin Dorp (Netherlands, c. 1485–1525)
  • John Dumbleton (England, died c. 1349)
  • Michael A. E. Dummett (UK, 1925–2011)
  • Jon Michael Dunn (US, 1941–2021)

E

  • Samuel Eilenberg (Poland, 1913–1998)
  • Alexander Esenin-Volpin (Russia, 1924–2016)
  • John Etchemendy (US, born 1952)
  • Leonhard Euler (Switzerland, 1707–1783)

F

  • Solomon Feferman (US, 1928–2016)
  • Richard Ferrybridge (England, 14th century)
  • Hartry Field (US, born 1946)
  • Kit Fine (US, born 1946)
  • Melvin Fitting (US, born 1942)
  • Graeme Forbes (Scotland, 20th century)
  • Matthew Foreman (US, born 1957)
  • Michael Fourman (UK, born 1950)
  • Roland Fraïssé (France, 1920–2008)
  • Abraham Fraenkel (Germany, 1891–1965)
  • Gottlob Frege (Germany, 1848–1925)
  • Harvey Friedman (US, born 1948)

G

  • Dov Gabbay (UK, born 1945)
  • Haim Gaifman (US, born 1934)
  • L. T. F. Gamut (collective pseudonym used by a group of Dutch logicians, fl. 1980s–1990s)
  • Robin Gandy (UK, 1919–1995)
  • Sol Garfunkel (US, born 1943)
  • Garlandus Compotista (France, c. 11th century)
  • Akṣapāda Gautama, author of Nyāya Sūtras and founder of Nyaya school of Hindu philosophy (India, c. 6th century BC to 2nd century AD)
  • Gangesha Upadhyaya, author of Tattvacintāmaṇi (A Thought-Jewel of Truth) and founder of Navya-Nyāya (India, c. 14th century AD)
  • Peter Geach (UK, 1916–2013)
  • Gerhard Gentzen (Germany, 1909–1945)
  • Joseph Diaz Gergonne (France, 1771–1859)
  • Gilbert de la Porrée (France, 1070–1154)
  • Giles of Rome (Italy, –1316)
  • Jean-Yves Girard (France, born 1947)
  • Kurt Gödel (Austria, US, 1906–1978)
  • Reuben Louis Goodstein (England, 1912–1985)
  • Valentin Goranko (Bulgaria/Sweden, born 1959)
  • Siegfried Gottwald (Germany, 1943–2015)
  • Jeroen Groenendijk (Netherlands, 1949–2023)

H

  • Susan Haack (UK, born 1945)
  • Petr Hájek (Czech Republic, 1941–2016)
  • Leo Harrington (US, born 1946)
  • Robert S. Hartman (Germany/US, 1910–1973)
  • Georg Wilhelm Friedrich Hegel (Germany, 1770–1831)
  • Jean Van Heijenoort (France/US, 1912–1986)
  • Leon Henkin (US, 1921–2006)
  • Jacques Herbrand (France, 1908–1931)
  • Arend Heyting (Netherlands, 1898–1980)
  • David Hilbert (Germany, 1862–1943)
  • Jaakko Hintikka (Finland, 1929–2015)
  • Alfred Horn (US, 1918–2001)
  • William Alvin Howard (US, born 1926)
  • Ehud Hrushovski (Israel, born 1959)
  • Gérard Huet (France, born 1947)

I

  • Ibn Taymiyyah (Turkey, 1263–1328 AD)
  • Marsilius of Inghen (Netherlands/France/Germany, 1330/1340–1396)

J

  • Giorgi Japaridze (Georgia, 20th century)
  • Stanisław Jaśkowski (Poland, 1906–1965)
  • Richard Jeffrey (US, 1926–2002)
  • Ronald Jensen (US, Europe, 1936–2025)
  • William Stanley Jevons (England, 1835–1882)
  • John of St. Thomas/John Poinsot (Portugal/Spain, 1589–1644)
  • William Ernest Johnson (UK, 1858–1931)
  • Dick de Jongh (Netherlands, born 1939)
  • Bjarni Jónsson (Iceland, 1920–2016)
  • Philip Jourdain (UK, 1879–1919)
  • Joachim Jungius (Germany, 1587–1657)
  • Jñanasrimitra (India, 10th century)

K

  • David Kaplan (US, born 1933)
  • Alexander S. Kechris (US, born 1946)
  • Howard Jerome Keisler (US, born 1936)
  • Ahmed Raza Khan (India, 1856–1921)
  • Richard Kilvington (England, c. 1305–1361)
  • Robert Kilwardby (England, c. 1215–1279)
  • Stephen Cole Kleene (US, 1909–1994)
  • Tadeusz Kotarbiński (Poland, 1886–1981)
  • Robert Kowalski (US, UK, born 1941)
  • Georg Kreisel (Austria/Britain/US, 1923–2015)
  • Saul Kripke (US, 1940–2022)
  • Leopold Kronecker (Germany, 1823–1891)
  • Kenneth Kunen (US, 1943–2020)

L

  • Christine Ladd-Franklin (US, 1847–1930)
  • Joachim Lambek (Canada, 1922–2014)
  • Johann Heinrich Lambert (France/Germany, 1728–1777)
  • Karel Lambert (US, born 1928)
  • Gottfried Wilhelm Leibniz (Germany, 1646–1716)
  • Stanisław Leśniewski (Poland, 1886–1939)
  • Clarence Irving Lewis (US, 1883–1964)
  • David Kellogg Lewis (US, 1941–2001)
  • Adolf Lindenbaum (Poland, 1904–1941)
  • Per Lindström (Sweden, 1936–2009)
  • Ramon Llull (Spain, 1232–1315)
  • Martin Löb (Germany, 1921–2006)
  • Paul Lorenzen (Germany, 1915–1994)
  • Jerzy Łoś (Poland, 1920–1998)
  • Hermann Lotze (Germany, 1817–1881)
  • Leopold Löwenheim (Germany, 1878–1957)
  • Jan Łukasiewicz (Poland, 1878–1956)

M

  • Hugh MacColl (Scotland, 1837–1909)
  • Saunders Mac Lane (US, 1909–2005)
  • Dugald Macpherson (UK, 20th century)
  • Penelope Maddy (US, born 1950)
  • John Mair (Scotland, 1467–1550)
  • David Makinson (Australia, UK, born 1941)
  • María Manzano (Spain, born 1950)
  • Gary R. Mar (US, born 1952)
  • Ruth Barcan Marcus (US, 1921–2012)
  • Donald A. Martin (US, born 1940)
  • Richard Milton Martin (US, 1916–1985)
  • Per Martin-Löf (Sweden, born 1942)
  • Pavel Materna (Czech Republic, born 1930)
  • Yuri Matiyasevich (Russia/Soviet Union, born 1947)
  • C. A. Meredith (Ireland, 1904–1976)
  • Bob Meyer (US, 1932–2009)
  • John Stuart Mill (England, 1806–1873)
  • Grigori Mints (Soviet Union/Estonia/US, 1939–2014)
  • Richard Montague (US, 1930–1971)
  • Yiannis N. Moschovakis (US, born 1938)
  • Andrzej Mostowski (Poland, 1913–1975)

N

  • Sara Negri (Italy/Finland, born 1967)
  • Edward Nelson (US, 1932–2014)
  • John von Neumann (Hungary, US, 1903–1957)
  • John Henry Newman (1801–1890) (see Grammar of Assent)
  • Jean Nicod (France, 1893–1924)
  • Pyotr Novikov (Russia/Soviet Union, 1901–1975)
  • Nagarjuna (India, c.150–c.250)
  • Anil Nerode (US, born 1932)

O

  • William of Ockham (England, 1285–1349)
  • Piergiorgio Odifreddi (Italy, born 1950)
  • Ivan Orlov (Russia, 1886–1936)
  • Ryan Osmun (florence, 1984-present)

P

  • John Pagus (France, fl. 1220–1229)
  • Jeff Paris (UK, born 1944)
  • Charles Parsons (US, 1933–2024)
  • Solomon Passy (Bulgaria, born 1956)
  • Paul of Venice (Italy, 1369–1429)
  • Christine Paulin-Mohring (France, born 1962)
  • Giuseppe Peano (Italy, 1858–1932)
  • Dan Pedersen (US, born, 1945)
  • Charles Sanders Peirce (US, 1839–1914)
  • Lorenzo Peña (Spain, born 1944)
  • Chaïm Perelman (Poland, Belgium, 1912–1984)
  • Rózsa Péter (Hungary, 1905–1977)
  • Paolo da Pergola (Italy, died 1455)
  • Peter of Spain (13th century, usually assumed to be Pope John XXI)
  • Philo the Dialectician (Greece, 4th–3rd century BC)
  • Walter Pitts (US, 1923–1969)
  • Porphyry (c. 234–c. 305)
  • Henry Pogorzelski (US, 1922–2015)
  • Emil Leon Post (US, 1897–1954)
  • Dag Prawitz (Sweden, born 1936)
  • Mojżesz Presburger (Poland, 1904–1943)
  • Graham Priest (Australia, born 1948)
  • Arthur Prior (New Zealand, UK, 1914–1969)
  • Hilary Putnam (US, 1926–2016)
  • Plato (Greek, 427–347 B.C.)

Q

  • Willard Van Orman Quine (US, 1908–2000)

R

  • Michael O. Rabin (Israel, US, born 1931)
  • Constantin Rădulescu-Motru (Romania, 1868–1957)
  • Frank Plumpton Ramsey (UK, 1903–1930)
  • Petrus Ramus (France, 1515–1572)
  • Helena Rasiowa (Poland, 1917–1994)
  • Carveth Read (UK, 1848–1931)
  • Abraham Robinson (Israel, UK, Canada, US, 1918–1974)
  • Raphael M. Robinson (US, 1911–1995)
  • Julia Robinson (US, 1919–1985)
  • J. Barkley Rosser (US, 1907–1989)
  • Richard Routley, later Richard Sylvan (New Zealand, 1935–1996)
  • Frederick Rowbottom (UK, 1938–2009)
  • Ian Rumfitt (UK, 20th century)
  • Bertrand Russell (UK, 1872–1970)

S

  • Giovanni Girolamo Saccheri (Italy, 1667–1733)
  • Raghunatha Siromani (India, c. 1477–1547)
  • Gerald Sacks (US, 1933–2019)
  • Albert of Saxony (Germany, c. 1316–1390)
  • Rolf Schock (US, Sweden, 1933–1986)
  • Moses Schönfinkel (USSR, 1889–1942)
  • Ernst Schröder (Germany, 1841–1902)
  • Kurt Schütte (Germany, 1909–1998)
  • Dana Scott (US, born 1932)
  • Sedulius Scottus (Ireland/France, fl. 840–860)
  • John Duns Scotus (UK, France, c. 1266–1308)
  • Stewart Shapiro (US, born 1951)
  • Fyodor Shcherbatskoy (Russia, 1866–1942)
  • Saharon Shelah (Israel, born 1945)
  • Gila Sher (Israel/US)
  • William of Sherwood (England, 1190–1249)
  • Hui Shi (China, fl. 4th century BC)
  • Simplicius of Cilicia (Turkey/Iran, c. 490–c. 560)
  • Raghunatha Siromani (India, 1470s–1550s)
  • Thoralf Skolem (Norway 1887–1963)
  • Dimiter Skordev (Bulgaria, born 1936)
  • Theodore Slaman (US, born 1954)
  • Raymond Smullyan (US, 1919–2017)
  • William of Soissons (France, 12th century)
  • Robert M. Solovay (US, born 1938)
  • Richard the Sophister (fl. late 13th century)
  • Peter of Spain (13th century)
  • John R. Steel (US, born 1948)
  • Martin Stokhof (Netherlands, born 1950)
  • Ralph Strode (England, fl. 1350–1400)
  • Richard Swineshead (England, fl. c. 1340–1354)
  • Richard Sylvan, born Richard Routley (New Zealand, 1935–1996)

T

  • Gaisi Takeuti (Japan, 1926–2017)
  • Alfred Tarski (Poland, 1902–1983)
  • Theophrastus (Greece, 371–c. 287 BC)
  • Pavel Tichý (Czechoslovakia, New Zealand, 1936–1994)
  • Friedrich Adolf Trendelenburg (Germany, 1802–1872)
  • Anne Sjerp Troelstra (Netherlands, 1939–2019)
  • Alan Turing (UK, 1912–1954)
  • Kazimierz Twardowski (Poland, 1866–1938)
  • Thales Of Miletus (Turkey, 626 BC – 545 BC)

U

  • Udayana, author of Nyayakusumanjali (rational theology to prove the existence of God using logic) (India, 10th century)
  • Udyotakara (India, c. 6th century AD)
  • Alasdair Urquhart (UK, born 1945)
  • Vladimir Uspensky (Soviet Union/Russia, 1930–2018)

V

  • Lorenzo Valla (Italy, c. 1407–1457)
  • Moshe Y. Vardi (Israel, born 1954)
  • Nicolai A. Vasiliev (Russia, 1880–1940)
  • Robert Lawson Vaught (US, 1926–2002)
  • Paul of Venice (Italy, 1368–1428)
  • John Venn (England, 1834–1923)
  • Juan Luis Vives (Spain, 1493–1540)
  • Pakṣilasvāmin Vātsyāyana wrote the first known commentary on Goutama's Nyaya Sutras (5th century AD)

W

  • Hao Wang (China/US, 1921–1995)
  • Isaac Watts (England, 1674–1748)
  • Richard Whately (England, 1787–1863)
  • Alfred North Whitehead (UK, 1861–1947)
  • Ludwig Wittgenstein (Austria, UK, 1889–1951)
  • Christian Wolff (Germany, 1679–1754)
  • W. Hugh Woodin (US, born 1955)
  • John Woods (Canada, 1937–2024)
  • Georg Henrik von Wright (Finland, UK, 1916–2003)

Y

  • Jin Yuelin (China, 1895–1984)

Z

  • Jacopo Zabarella (Italy, 1533–1589)
  • Lotfi A. Zadeh (US, 1921–2017)
  • Ernst Zermelo (Germany, 1871–1953)
  • Alexander Zinoviev (Soviet Union, 1922–2006)

References

  • The MacTutor History of Mathematics archive - very complete list of detailed biographies. Many logicians are included.
  • A Selection of Great Logicians with detailed bibliographies (in progress)